Thanks, this only partialy solved the problem.
What I am looking for is function which can send (forward) message to
a specified IP:port based on URI but not changing URI itself.
rewritehostport() and t_relay() unfortunately does it. I have found
someting like forward() but not know how to use it. What is the
difference between:
rewritehostport("192.168.1.2:5060");
t_relay();
and
rewritehostport("192.168.1.2:5060");
forward(forward(uri:host, uri:port);
?
Thanks, Andrzej
Quoting "Greger V. Teigre" <greger(a)teigre.com>om>:
Try to just t_relay in loose route...
And if that does not work, what type of messages are looped back? 200
OKs? ACKs? BYEs?
g-)
dzus(a)mat.uni.torun.pl wrote:
> All,
>
> I am trying to configure SER to work as SIP proxy (not registar and
> not redirect). I tried to modify simple ser.cfg which comes with
> SER by adding one line in route[0]:
>
> rewritehostport("192.168.1.2:5060");
>
> This unfortunately doesn't work. The message to my SIP server
> 192.168.1.2 are indeed forwarded. But message comming back from
> 192.168.1.2 are looped by my SIP proxy (192.168.1.3) back to SIP
> server (192.168.1.2).
>
> Can someone help me? Or send a working cfg for SIP proxy, I cannot find any.
>
> This is my complete ser.cfg:
> #
> # $Id: ser.cfg,v 1.25.2.1 2005/02/18 14:30:44 andrei Exp $
> #
> # simple quick-start config script
> #
>
> # ----------- global configuration parameters ------------------------
>
> #debug=3 # debug level (cmd line: -dddddddddd)
> #fork=yes
> #log_stderror=no # (cmd line: -E)
>
> /* Uncomment these lines to enter debugging mode
> fork=no
> log_stderror=yes
> */
>
> check_via=no # (cmd. line: -v)
> dns=no # (cmd. line: -r)
> rev_dns=no # (cmd. line: -R)
> port=5060
> children=4
> fifo="/tmp/ser_fifo"
>
> # ------------------ module loading ----------------------------------
>
> # Uncomment this if you want to use SQL database
> #loadmodule "//lib/ser/modules/mysql.so"
>
> loadmodule "//lib/ser/modules/sl.so"
> loadmodule "//lib/ser/modules/tm.so"
> loadmodule "//lib/ser/modules/rr.so"
> loadmodule "//lib/ser/modules/maxfwd.so"
> loadmodule "//lib/ser/modules/usrloc.so"
> loadmodule "//lib/ser/modules/registrar.so"
> loadmodule "//lib/ser/modules/textops.so"
>
> # Uncomment this if you want digest authentication
> # mysql.so must be loaded !
> #loadmodule "//lib/ser/modules/auth.so"
> #loadmodule "//lib/ser/modules/auth_db.so"
>
> # ----------------- setting module-specific parameters ---------------
>
> # -- usrloc params --
>
> modparam("usrloc", "db_mode", 0)
>
> # Uncomment this if you want to use SQL database
> # for persistent storage and comment the previous line
> #modparam("usrloc", "db_mode", 2)
>
> # -- auth params --
> # Uncomment if you are using auth module
> #
> #modparam("auth_db", "calculate_ha1", yes)
> #
> # If you set "calculate_ha1" parameter to yes (which true in this config),
> # uncomment also the following parameter)
> #
> #modparam("auth_db", "password_column", "password")
>
> # -- rr params --
> # add value to ;lr param to make some broken UAs happy
> modparam("rr", "enable_full_lr", 1)
>
> # ------------------------- request routing logic -------------------
>
> # main routing logic
>
> route{
>
> # initial sanity checks -- messages with
> # max_forwards==0, or excessively long requests
> if (!mf_process_maxfwd_header("10")) {
> sl_send_reply("483","Too Many Hops");
> break;
> };
> if (msg:len >= 2048 ) {
> sl_send_reply("513", "Message too big");
> break;
> };
>
>
> # we record-route all messages -- to make sure that
> # subsequent messages will go through our proxy; that's
> # particularly good if upstream and downstream entities
> # use different transport protocol
> if (!method=="REGISTER") record_route();
>
> # subsequent messages withing a dialog should take the
> # path determined by record-routing
> if (loose_route()) {
> # mark routing logic in request
> append_hf("P-hint: rr-enforced\r\n");
> route(1);
> break;
> };
>
> if (!uri==myself) {
> # mark routing logic in request
> append_hf("P-hint: outbound\r\n");
> route(1);
> break;
> };
>
> # if the request is for other domain use UsrLoc
> # (in case, it does not work, use the following command
> # with proper names and addresses in it)
> if (uri==myself) {
>
> if (method=="REGISTER") {
>
> # Uncomment this if you want to use digest authentication
> # if (!www_authorize("iptel.org", "subscriber")) {
> # www_challenge("iptel.org", "0");
> # break;
> # };
>
> save("location");
> break;
> };
>
> lookup("aliases");
> if (!uri==myself) {
> append_hf("P-hint: outbound alias\r\n");
> route(1);
> break;
> };
>
> # native SIP destinations are handled using our USRLOC DB
> if (!lookup("location")) {
> sl_send_reply("404", "Not Found");
> break;
> };
> };
> append_hf("P-hint: usrloc applied\r\n");
> route(1);
> }
>
> route[1]
> {
> # send it out now; use stateful forwarding as it works reliably
> # even for UDP2TCP
>
> # Dzus
> rewritehostport("192.168.1.2:5060");
>
> if (!t_relay()) {
> sl_reply_error();
> };
> }
>
>
>
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